Fisher, D., & Frey, N. (2010). Enhancing RTI: How to ensure success with effective classroom instruction and intervention. ASCD.
Lua i Stíl Chicago (17ú heag.)Fisher, Douglas, agus Nancy Frey. Enhancing RTI: How to Ensure Success with Effective Classroom Instruction and Intervention. Alexandria, VA: ASCD, 2010.
Lua MLA (9ú heag.)Fisher, Douglas, agus Nancy Frey. Enhancing RTI: How to Ensure Success with Effective Classroom Instruction and Intervention. ASCD, 2010.
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